(19)
(11) EP 0 237 235 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.09.1988 Bulletin 1988/39

(43) Date of publication A2:
16.09.1987 Bulletin 1987/38

(21) Application number: 87301664

(22) Date of filing: 25.02.1987
(84) Designated Contracting States:
AT BE CH DE ES FR GB IT LI LU NL SE

(30) Priority: 05.03.1986 US 836286

(71) Applicant: International Paper Company
 ()

(72) Inventors:
  • Gibbons, Charles E.
     ()
  • Whillock, Allan A.
     ()
  • Lanham, Robert L.
     ()
  • Kinsey, Joe L. Jr.
     ()

   


(54) Novel laminates for paperboard cartons and a process of forming said laminates


(57) The present invention relates to an improved container for citrus juices and other liquids. The container utilizes a paper­board barrier laminate (34, 36, 38, 40) for the containment of essential oils and the prevention of losses of Vitamin C. Also disclosed is a process of making the laminate. The laminate makes use of a layer of a heat-sealable glycol-modified polyethylene terephthalate (40) to enhance the barrier properties of the laminate.







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